While you can create classes that contain their own validation code, there are scenarios where it makes sense to separate validation code from the properties it validates using DataAnnotations. In a ...

Implementing one of three interfaces can turn your business classes into self-validating components that seamlessly integrate into WPF, Silverlight and ASP.NET MVC applications -- and can be easily ...

To protect its products and software, Microsoft strictly regulates the sale and use of Windows software by embedding a validation code, also called a product key, in every copy of Windows. Should you ...

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Microsoft is planning to deliver on October 1 to third-party software developers a set of technologies that will allow them to add code protection and activation mechanisms to their own software. When ...

Users receiving new, working validation codes As previously noted, several receivers of QuarkXPress 6.0 have never been able to launch the product, instead experiencing unexpected quits on launch. The ...